Casement window operator



FIG. 1 is a perspective view of a casement window operator showing my new design;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a front plane view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a casement window operator, as shown and described. 